mesh-967: fix a some small typographic errors

Author: matt-mercer

specification/mesh-api.yaml

@@ -104,7 +104,7 @@ info:
 
     In the Digital Onboarding Service there are specific sections to be completed to show your solution meets our non-functional requirements and technical conformance.
 
-    You would need to organise a date with the assurance team for the witness testing to take place. The witness testing should take half a day. In some cases you will be asked to prepare test data a few days before the day of the witness testing.
+    You will need to organise a date with the assurance team for the witness testing to take place. The witness testing should take half a day. In some cases you will be asked to prepare test data a few days before the day of the witness testing.
 
     Once the witness test is complete, you will be issued with a technical conformance certificate.
 
@@ -114,7 +114,7 @@ info:
 
     Now that we know that your software is safe and secure, you will need to sign a connection agreement.
 
-    We will send you a customised connection agreemen to sign.
+    We will send you a customised connection agreement to sign.
 
     Once you’ve signed the connection agreement, you need to upload it to your developer account in the ‘Legal agreement’ section.